Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0. Multiple relative path traversal vulnerabilities exist that may allow a low privilege user to overwrite files outside the application’s control.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12026
Reference (s):
- https://www.us-cert.gov/ics/advisories/icsa-20-128-01
- https://www.zerodayinitiative.com/advisories/ZDI-20-626/
- https://www.zerodayinitiative.com/advisories/ZDI-20-627/